These rubber feet can make the cutting board hover just off the table and provide enough separation that pick the board up easier, so the cutting board won’t suck on a wet table. RoHS Compliant rubber is hard but elastic, the built-in washer can keep them from tearing out as you tighten the screws. Both the washers and the screws are stainless steel. Easy to install. These rubber pads provide a good grip, shock absorption, and cracking resistance. No Marking ,No Noise. Best for use on cutting board, barbecue board, cheese board, also you can install them to the bottom of cabinet doors, glass table tops , electronics and other furniture feet . The cutting board rubber feet Size: 0.354" Tall x0.905" Top Width x 1 " Bottom Width (9mm*23mm*25mm). each set include 20 rubber feet and 20 #10 Stainless Steel screws;